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YSS 06-07 User Guide - University of Waterloo

1. Skip Condition Variable coded 96 or 996 If AUSDTVB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried sedatives or tranquilizers to get high and NOT for medical purposes If AUSLEPB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried sleeping medicine from a drugstore to get high and NOT for medical purposes If AUSTIMB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried stimulants such as diet pills and stay awake pills or medicine that is usually used to treat ADHD to get high and NOT for medical purposes If AUPAINB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried pain relievers to get high and NOT for medical purposes If AUDXMOB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried dextromethorphan such as cold or cough medicine to get high and NOT for medical purposes Variable AUSOLVA2 AUSALVA2 DSUSCEPT DVAMTSMK DVCIGWK DVNDSMK DVAVCIGD DVSMKPTN 7 5 Additional Cleaning Around Skip Patterns Question Have you used or tried glue gasoline or other solvents to get high in the last 12 months Have you used or tried
2. If you ever used or tried how old were you when you first used or tried BZP TFMPP If AUBTHSA1 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried bath salts 32 Variable AUSDTVA2 AUSLEPA2 AUSTIMA2 AUPAINA2 AUDXMOA2 Question Have you used or tried sedatives or tranquilizers to get high and NOT for medical purposes in the last 12 months Have you used or tried sleeping medicine from a drugstore to get high and NOT for medical purposes in the last 12 months Have you used or tried stimulants such as diet pills and stay awake pills or medicine that is usually used to treat ADHD to get high and NOT for medical purposes in the last 12 months Have you used or tried pain relievers to get high and NOT for medical purposes in the last 12 months Have you used or tried dextromethorphan such as cold or cough medicine to get high and NOT for medical purposes in the last 12 months Valid Condition s If Respondent Had tried sedatives or tranquilizers to get high Had tried sleeping medicine from a drugstore to get high Had tried stimulants such as diet pills and stay awake pills or medicine that is usually used to treat ADHD to get high Had tried pain relievers to get high Had tried dextromethorphan such as cold or cough medicine to get high 2012 2013 YSS Microdata User Guide Version 5 2013 12 31
3. SWHOLEB1 SHUNDOA1 SLAST7A1 SLST30A1 SLST30B1 SLAST7A3 to SLAST7H3 SSHAREA1 SSDRNKA1 SBRNDYAt to SBRNDYL1 SGETCGA1 Question How old were you when you smoked your first whole cigarette Have you ever smoked 100 or more whole cigarettes in your life Have you ever smoked every day for at least 7 days in a row On how many of the last 30 days did you smoke one or more cigarettes Thinking back over the last 30 days on the days that you smoked how many cigarettes did you usually smoke each day Think back over the last 7 days Find yesterday on the wheel and fill in the number of whole cigarettes you smoked Then follow the wheel backwards and fill in the number of whole cigarettes you smoked on each of the last 7 days When you smoke how often do you share a cigarette with others When you first tried smoking cigarettes were you drinking alcohol at the same time Why do you smoke the brand of cigarettes that you do Where do you usually get your cigarettes Valid Condition s If Respondent Had smoked a whole cigarette Had smoked a whole cigarette Had tried smoking Had smoked a whole cigarette Had smoked a whole cigarette Had smoked a whole cigarette Had tried smoking Had tried smoking Had tried smoking Had tried smoking 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 Skip Condition Variable coded 96 or 996 If SWHOLE
4. 2012 2013 YOUTH SMOKING SURVEY MICRODATA USER GUIDE DECEMBER 31 2013 Prepared for Health Canada by PROPEL CENTRE FOR POPULATION HEALTH IMPACT University of Waterloo Waterloo Ontario www propel uwaterloo ca Suggested citation Burkhalter R Cumming T Rynard V Manske S 2013 2012 2013 Youth Smoking Survey Microdata User Guide Waterloo Ontario Propel Centre for Population Health Impact University of Waterloo 1 47 Suggested acknowledgement for publications or reports using YSS data The Youth Smoking Survey is a product of the pan Canadian capacity building project funded through a contribution agreement between Health Canada and the Propel Centre for Population Health Impact at the University of Waterloo from 2004 to 2007 and a contract between Health Canada and the Propel Centre for Population Health Impact from 2008 2013 The Propel Centre implements YSS with the assistance of a consortium that includes Canadian researchers from all provinces with expertise in youth health and connections with education and health sectors in their province The views expressed herein do not necessarily represent the views of Health Canada For information purposes Health Canada would appreciate receiving advanced copies of planned publications arising from YSS data at least 3 weeks prior to the publication date Copies can be sent by mail or email to the Technical Authority For further information regarding this project p
5. Table 5 Board Participation Outcomes by Province 2012 2013 YSS Province NL PE NS NB Qc ON SK AB BC Canada Approached 4 3 6 7 50 57 23 47 25 222 Refused 0 0 0 0 6 18 9 18 12 63 Board Participation Outcome Recruited 96 4 100 8 100 6 100 7 100 44 88 39 68 14 61 29 62 13 52 159 72 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 Participated 4 100 3 100 6 100 7 100 26 52 29 51 13 57 27 57 12 48 127 57 15 Table 6 School Participation Outcomes by Province 2012 2013 YSS Province NL PE NS NB Qc ON SK AB BC Canada Approached PU d ed 27 3 60 1 36 0 172 0 87 46 129 74 61 42 84 41 48 120 704 327 School Participation Outcome Participated 26 53 27 149 41 49 33 40 32 450 Refused 23 46 80 28 44 16 254 Participation Rate 96 96 88 75 87 47 38 54 48 67 64 Table 7 Participating Students by Province and Grade 2012 2013 YSS Province NL PE NS NB Qc ON SK AB BC Canada Grade 6 649 273 581 490 1087 1030 505 810 721 6146 Number of Students Participating by Grade Grade 7 495 308 471 576 1231 1304 684 773 974 6816 Grade 8 419 302 447 564 1139 1276 735 744 1211 6837 Grade 9 537 366 507 544 787 1136 1197 1101 891 7066 2012 201
6. Valid response 2 No 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 22 OR SWHOLEAt Have you ever smoked a whole cigarette Valid responses 2 No 96 Valid Skip Derived Variables DVTY2ST Response Options for DVTY2ST 1 Current Daily Smoker 5 Experimental Smoker Beginner 2 Current Occasional Smoker 6 Past Experimental Smoker 3 Former Daily Smoker 7 Puffer 4 Former Occasional Smoker 8 Never Tried Derivation of Responses for DVTY2ST Current Daily Smoker Definition A current daily smoker is a person who reports currently smoking cigarettes every day Calculation SHUNDOA1 Have you ever smoked 100 or more whole cigarettes in your life Valid response 1 Yes AND SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Valid response 8 30 days every day Current Occasional Smoker Definition A current occasional smoker is a person who currently smokes cigarettes but not every day Calculation SHUNDOA1 Have you ever smoked 100 or more whole cigarettes in your life Valid response 1 Yes AND SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Valid responses 2 3 2 to 3 days 4 4 to 5 days 5 6 to 10 days 6 11 to 20 days 7 21 to 29 days Former Daily Smoker Definition A former daily
7. The collaborative projects included the e Healthy School Planner all provinces e School Health Action Planning and Evaluation System SHAPES PET Prince Edward Island e Active Permission Protocol Project Newfoundland amp Labrador Nova Scotia Ontario Alberta New Brunswick Student Wellness Survey NBSWS New Brunswick Youth Gambling Survey Newfoundland amp Labrador Ontario Saskatchewan Canadian Cancer Society Quebec Questionnaire Quebec and The Alberta Supplement Project Alberta The YSS Public Use Microdata file does not include data from the collaborative projects Please see Appendix A for further details regarding these collaborative projects 3 0 Concepts and Definitions The terms and definitions used in this guide and the 2012 2013 YSS Public Use Microdata File are detailed in this section Schools with participating samples too small to receive school level data received regional or provincial level profiles in lieu of the school specific profiles All schools in New Brunswick received a provincial level YSS profile of results in addition to their school specific New Brunswick Student Wellness Survey results profile 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 2 3 1 Definitions Used in this Guide Total Sampled Schools Total number of schools sampled for the project including schools sampled at project outset and schools added to the sample throughout the course of the proj
8. The bootstrap weight Wi would then be given by w 1 number of times school i has been resampled A 7 7 Use of Survey Weights Why should survey weights be used There are two reasons why a survey weight variable should be used when performing analyses 1 Total population versus sample size Users may want results based on population figures instead of estimates based on the sample of individuals included in the study For example the YSS survey weight when used will produce results based on a population estimate of N which represents all the students in the 9 participating provinces grades 6 12 instead of n which is the total number of students who actually completed the survey The latter is known as the sample size of the YSS 2 Adjusting for sampling method The second use of survey weights is to adjust for sampling methods If every member of a population has an equal probability of being selected in a sample each case would carry the same survey weight and the survey weight for all individuals would be 1 But in reality YSS sampling was done in a more complex manner described in section 4 and each individual who was selected in the survey did not have an equal probability of being selected To correct for this unequal probability or chance of being selected we created the survey weight variable In short using the survey weight variable permits the user to make generalizations to the population from wh
9. To increase the level of confidentiality in the event that a parent was listening to their child s responses changes were made in the recruitment script instructing how participants verbally responded to each behavioural question Overall the pilot test was effective in meeting its objectives A total of 74 youth participated in the pilot testing sessions and most completed the questionnaire in less than 20 minutes A number of modifications were made to the questionnaire as a result of the pilot tests including a few minor improvements to the front cover of the questionnaire as well as numerous modifications to wording and format in 13 of the 21 questions specifically targeted for considerations No changes were made to the design or length of the questionnaires It was confirmed in the French focus group that the quality of the translation was acceptable MI Quebec grade 6 is called primary 6 and grades 7 and 8 are referred to as secondary and Il H qn Quebec grades 9 to 12 are referred to as secondary III to V 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 11 5 3 Questionnaire Distribution In most provinces all students in eligible grades in participating schools received a YSS questionnaire to complete Questionnaire distribution was different in provinces with collaborative projects Table 4 details the questionnaire distribution in all provinces Appendix A contains further details regarding the collaborative projects
10. Valid Condition s If Respondent Had tried smoking Is a grade 7 to 12 student Had tried alcohol Had tried alcohol Had 5 drinks or more on one occasion Had tried marijuana Had tried amphetamines 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 Skip Condition Variable coded 96 or 996 If SPUFFOA1 2 NO Have you ever tried cigarette smoking even just a few puffs If GRADE 6 GRADE 6 STUDENTS If ADRINKA1 1 I have never drank alcohol 3 I have only had a sip of alcohol or 99 Not Stated In the last 12 months how often did you have a drink of alcohol that was more than just a sip If ADRINKA1 1 I have never drank alcohol 3 I have only had a sip of alcohol or 99 Not Stated In the last 12 months how often did you have a drink of alcohol that was more than just a sip If ASDRNKC1 1 I have never done this 96 Valid Skip or 99 Not Stated In the last 12 months how often did you have 5 drinks of alcohol or more on one occasion If AOFTMJA1 1 I have never used marijuana or 99 Not Stated In the last 12 months how often did you use marijuana or cannabis If AUAMPHB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried amphetamines 31 Variable AUMDMAA2 AUHALUA2 AUHEROA2 AUCOCNA2 AUSPCKA2 AUBZPTA2 AUBTHSA2 Question Have you used or tried MDMA in th
11. grades 7 8 and one for secondary III V grades 9 11 Attempts were made to recruit thirteen participants per group anticipating that eight to ten participants would attend on the day of pilot testing The same bilingual facilitator from the 2008 2009 YSS and 2010 2011 YSS pilot testing sessions facilitated the Montreal pilot testing session Once recruiters obtained verbal agreement to participate from the parent and participant and the student smoking status was determined the participants were assigned to a pilot test session A parent information package including a participant information letter and permission form was emailed in advance of the sessions Written parental permission was required for all participants under the age of 18 To identify smokers potential participants were asked three or four behavioural questions consistent with how smokers are defined in YSS smoking status reporting Based on previous challenges recruiting participants with smoking experience especially in grades 6 to 8 the first question asked participants Have you ever tried smoking cigarettes even just a few puffs Participants in grades 6 to 8 were defined as smokers if they had ever tried smoked or shared cigarettes in the last 30 days Participants in grades 9 to 12 were defined as smokers if they had ever tried smoked a whole cigarette smoked cigarettes in the past 30 days or had smoked 100 or more cigarettes in their lifetime
12. AB Elementary 20 28 43 Secondary 12 12 42 BC Elementary 20 20 42 Secondary 12 12 94 Canada 427 450 581 The number of schools reflects the collaboration with SHAPES PEI and the New Brunswick Student Wellness Survey in Prince Edward Island and New Brunswick respectively 42 Sample Selection Within each provincial sampling frame excluding Prince Edward Island and New Brunswick two or three health region strata low and high and urban for Quebec Ontario and Alberta and two school level strata elementary and 7 Elementary grades defined as grade 6 for Quebec grades 6 to 9 in Alberta and grades 6 to 8 in all other provinces Secondary grades defined as grades 7 to 11 in Quebec grades 10 to 12 in Alberta and grades 9 to 12 in all other provinces 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 7 secondary were defined Crossing these stratifications yields six strata in Quebec Ontario and Alberta and four in each remaining province Within each stratum in each province schools were selected based on simple random sampling There are 2 elementary schools sampled for every 1 secondary school sampled to ensure appropriate distribution of schools across all grades given that elementary schools have lower enrolments than secondary schools In Prince Edward Island all 61 public schools were included in the sample which includes 49 elementary and 12 secondary schools as part of the YSS collabo
13. Content Advisory Committee provided advice to Health Canada on questionnaire content Advisory Committee members were experts in tobacco control and youth health and included representatives from four provinces NL QC ON AB Health Canada then made final decisions about what content to include Copies of the final 2012 2013 YSS questionnaires can be found in Appendix B and online at www yss uwaterloo ca In the 2012 2013 YSS students completed one of two instruments in English or French e The Module A questionnaire was administered to students in grade 6 This instrument contained 48 questions 130 items that were deemed relevant to students in this grade level Module A did not include drug and alcohol questions The questionnaire included o 25 questions 77 items that assess youth tobacco use and behaviours directly 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 9 o 9 questions 18 items that assess measures predictive of or related to youth tobacco use o 3 questions 12 items about physical activity and eating behaviours o 5 questions 10 items on participant demographics and o 6 questions 13 items regarding students and their school e The Module B questionnaire was administered to students in grades 7 through 12 This instrument contained 61 questions 201 items including all questions from Module A detailed above and additional drug and alcohol questions o 26 questions 78 items that assess youth t
14. Dr Cam Wild at the University of Alberta is the lead investigator for the project and can be contacted directly for access to the Alberta Supplement data set A total of 4 908 students in grades 7 through 12 from 25 schools participating in the 2012 2013 YSS completed the Alberta Supplement questionnaire following completion of the YSS Module B questionnaire Analysis of the data will be used to examine the utility of these items in a youth population and enable preliminary examination of support for school based policies and practices aimed at controlling substance use as well as the prevalence of interpersonal social control tactic usage Additional Collaborations Additional schools implemented the YSS questionnaire that were not part of the sample of YSS schools and are not be included in the final 2012 2013 YSS Public Use Data File These schools or their health unit requested to implement the YSS questionnaire to inform school policies and programs and improve the health of their youth These data collections were funded by regional health authorities or school boards The YSS also worked closely with the COMPASS project led by Dr Scott Leatherdale to ensure Ontario schools were not being contacted by both projects Upon sampling schools for the YSS COMPASS excluded all YSS sampled schools from their sampling frame and selected only non YSS schools to be a part of their project Appendix B 2012 2013 Youth Smoking Survey Student Qu
15. Participating Eligible boards that were sampled for the project and had schools within their board participate Schools Not Participating Eligible schools that were sampled for the project and did not complete a school data collection including sampled schools not approached for the survey Eligible Students Students who were enrolled in a participating grade 6 to 12 classroom Response Rate The number of grades 6 to 12 students who participated in the survey as a percentage of the total number of eligible students in participating grades 6 to 12 classrooms gt Note that in past cycles of YSS participation rate was referred to as recruitment rate in the Microdata User Guides 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 3 3 2 Definitions Used in the 2012 2013 YSS Public Use Microdata File Currently smokes Has smoked at least 100 cigarettes in his her lifetime and has smoked in the 30 days preceding the survey This is a derived variable and is defined based on responses to smoking questions contained in the student questionnaires See section 7 3 for further details regarding 2012 2013 YSS derived variables Currently smokes daily Has smoked at least 100 cigarettes in his her lifetime and has smoked at least one cigarette per day for each of the 30 days preceding the survey Currently smokes occasionally Has smoked at least 100 cigarettes in his her lifetime and has smoked at least one cigar
16. Student Tobacco Alcohol and Drug Survey CSTADS 2014 2015 questionnaire revealed that the questions on pipe use may have been mistaken for questions on water pipe use Caution should be used when interpreting the results and comparing the estimates with earlier YSS cycles 7 3 Creation of Derived Variables A number of variables in the Public Use Microdata File were derived by combining items on the questionnaire in order to facilitate data analyses Examples of derived variables include the average number of whole cigarettes smoked daily and the number of whole cigarettes the respondent had smoked in the past 7 days prior to the survey There was only one new derived variable included in the 2012 2013 YSS Public Use Microdata File since 2010 This derived variable DVCRAFFT is provided to identify respondents who are at risk of having an alcohol or drug related disorder Two derived variables previously included in the 2010 2011 YSS BMI and BMI_ACAT were not included in the 2012 2012 YSS Public Use Microdata File as questions pertaining to BMI were not included in the 2012 2012 YSS questionnaires 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 21 The following sections describe and define the derived variables in the 2012 2013 YSS Public Use Microdata File Derived Variables for Smoking Status The following describes the derived variables in the 2012 2013 YSS Public Use Microdata File for smoking status and susceptibility to
17. all analyses of the 2012 2013 YSS All analyses were conducted using Stata 10 The surveyset commands were used to account for the complex survey design and variance estimates were derived using balanced repeated replication BRR with Fay s method This procedure creates reliable estimates of the variance for both simple estimates such as estimates of totals proportions e StataCorp 2005 Stata Statistical Software Release 9 College Station TX StataCorp LP 1 Judkins D 1990 Fay s Method for Variance Estimation Journal of Official Statistics 6 3 223 239 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 45 and ratios and more complex analyses such as linear or logistic regression Another option is to use the Bootvar program available in both SAS and SPSS formats It is made up of macros that compute variances for totals differences between ratios and for linear and logistic regression The bootstrap program for SAS can be found at http data library ubc ca rdc pdf 0702Bootdoc pdf and bootstrap program for SPSS can be found at http prod library utoronto ca datalib codebooks cstdli gss gss 18 spssbootdoc_eng pdf along with the documents explaining how to modify and use the program to meet users needs When producing simple estimates including the production of ordinary statistical tables users must apply the proper sampling weight There is one method that makes using standard packages of analysis techniqu
18. if the last two digits are between 00 and 49 they are changed to 00 and the preceding digit the hundreds digit is left unchanged If the last digits are between 50 and 99 they are changed to 00 and the preceding digit is incremented by 1 2 Marginal sub totals and totals in statistical tables are to be derived from their corresponding un rounded components and then are to be rounded themselves to the nearest 100 units using normal rounding 3 Averages proportions rates and percentages are to be computed from un rounded components i e numerators and or denominators and then are to be rounded to one decimal using normal rounding In normal rounding to a single digit if the final or only digit to be dropped is 0 to 4 the last digit to be retained is not changed If the first or only digit to be dropped is 5 to 9 the last digit to be retained is increased by 1 4 Sums and differences of aggregates or ratios are to be derived from their corresponding un rounded components and then are to be rounded themselves to the nearest 100 units or the nearest one decimal using normal rounding 14 Stats Canada 2002 Microdata User Guide Youth Smoking Survey 2002 Accessible at http www23 statcan gc ca imdb p2SV pl Function getSurvey amp SDDS 4401 amp lang en amp db imdb amp adm 8 amp dis 2 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 43 5 Under no circumstances are un rounded estimates to be published or otherwise re
19. party z 3 wording change previously In the last 12 months have you had alcohol mixed or pre mixed with an energy drink such as Red Bull Rock Star or another brand 2012 2013 Variable Name ADIFMJA1 ADIFAMA1 ADIFMDA1 ADIFHLA1 ADIFCNA1 ADIFPRA1 ADIFSMA1 MBULLDA1 MBULLDB1 MBULLDC1 MBULLDD1 MBULLDE1 MBULLGA1 MBULLGB1 MBULLGC1 MBULLGD1 MBULLGE1 SHARMFA1 SQLINEA1 SCONQLA1 SHMNYPA1 SHMNYSA1 SHMNYFA1 SHELTHH1 SHELTHF1 SHELTHG1 SBRNDSK1 SBRNDML1 ANRGDKA2 Propel Centre for Population Health Impact Lyle S Hallman Institute University of Waterloo 200 University Ave W Waterloo Ontario Canada N2L 3G1 Telephone 519 888 4520 e Fax 519 746 8171 E mail propel uwaterloo ca e www propel uwaterloo ca Canadian Soci t UNIVERSITY OF soy ncm WATERLOO The Propel Centre for Population Health Impact is a partnership between the Canadian Cancer Society and the University of Waterloo
20. services As part of the 2012 2013 YSS school staff from 112 37 eligible participating YSS schools completed HSP s Foundational Module which assesses generic concepts related in creating a healthy school community An additional 24 8 schools completed the Tobacco Use Express Module which specifically assesses eight indicators for tobacco control at the school Schools that completed a module received an individualized school report containing school results recommendations for taking action and links to resources Schools were encouraged to complete the foundational and tobacco use express modules as part of the YSS but could also complete modules on physical activity and healthy eating The implementation of the HSP alongside the YSS was funded by Propel Project Name School Health Action Planning and Evaluation System Prince Edward Island SHAPES PEI Province s Prince Edward Island Primary Contact Dr Donna Murnaghan University of Prince Edward Island dmurnaghan upei ca Description SHAPES PEI has been a complementary research project for the YSS since 2008 SHAPES PEI collects data across four health behaviours smoking healthy eating physical activity and positive mental health The 2008 2009 implementation of SHAPES PEI alongside YSS provided baseline data for schools boards and the province and subsequent cycles aim to provide important comparability data As a result of this collaboration all Island schools
21. smoking These derived variables are consistent with previous cycles of the YSS Derived Variables DVTY1ST Response Options for 1 Current Smoker DVTY1ST 2 Former Smoker 3 Never Smoker Derivation of Current Definition A current smoker is someone who has Responses for Smoker smoked at least 100 cigarettes in his or her DVTY1ST lifetime and who has smoked at least one whole cigarette during the past 30 days Calculation SHUNDOA1 Have you ever smoked 100 or more whole cigarettes in your life Valid response 1 Yes AND SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Valid responses 2 3 2 to 3 days 4 4 to 5 days 5 6 to 10 days 6 11 to 20 days 7 21 to 29 days 8 30 days every day Former Definition A former smoker is a person who reports Smoker having smoked 100 or more cigarettes but did not smoke in the last 30 days Calculation SHUNDOA1 Have you ever smoked 100 or more whole cigarettes in your life Valid response 1 Yes AND SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Valid response 1 None Never Definition A never smoker is a person who reports that Smoker he or she has not smoked 100 or more whole cigarettes in his or her life time but might have smoked a whole cigarette Calculation SHUNDOA1 Have you ever smoked 100 or more whole cigarettes in your life
22. with grades 5 12 were approached to participate in the SHAPES YSS PEI project A total of 53 schools and 8 533 students participated in the collaborative project Without this collaboration the YSS sample would have only included 24 schools Each grade 6 to 12 student participating in this collaborative project randomly received a YSS questionnaire with SHAPES PEI insert a SHAPES PEI healthy eating questionnaire or a SHAPES PEI physical activity questionnaire As a result one third of the grade 6 to 12 population received a YSS questionnaire The SHAPES PEI questionnaires also collected data on core smoking behaviours Grade 5 students only received one of two SHAPES PEI questionnaires SHAPES PEI is conducted by the Comprehensive School Health Research Group at the University of Prince Edward Island with funding provided by the Prince Edward Island Department of Education and Early Childhood Development and the Prince Edward Island Department of Health and Wellness Project Name Active Permission Protocol Project Province s Alberta Ontario Nova Scotia Newfoundland amp Labrador Primary Contact Dr Steve Manske Propel Centre for Population Health Impact University of Waterloo manske uwaterloo ca Description The Active Permission Protocol APP project employed an experimental protocol within the YSS to determine optimal configurations of incentives to maximize participation in four participating provinces Alberta Ontario Nova Sco
23. 3 YSS Microdata User Guide Version 5 2013 12 31 Grade 10 702 450 945 514 967 1263 956 909 974 7680 Grade 11 774 436 821 557 947 1021 796 746 1016 7114 Grade 12 689 390 828 471 0 1018 765 660 723 5544 Total 4265 2525 4600 3716 6158 8048 5638 5743 6510 47203 16 7 0 Data Processing The YSS produces a Public Use Microdata File that is made available to the public via the Data Liberation Initiative This chapter presents a brief summary of the processing steps involved in producing this file A list of questions and variables included in the YSS over time can also be found in Appendix C 7 1 Data Capture Student questionnaires were machine scanned using Optical Mark Read OMR technology Procedures detailed several quality control measures to ensure the accuracy of the scanned data First processing staff visually scanned all questionnaires and darkened marks that were too light or incomplete e g check marks instead of filled in circles to ensure that they would be recognized by the scanner At this time processing staff separated the perforated questionnaire booklets and oriented them in preparation for the OMR scan Processing staff then inserted standard questionnaires to ensure that the calibration of the scanner remained constant The visual scanning aspect of questionnaire processing ensures that the data on the questionnaires are correctly recorded by the O
24. A1 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette If SWHOLEAt 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette If SPUFFOA1 2 NO Have you ever tried cigarette smoking even just a few puffs If SWHOLEAt 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette If SWHOLEAt1 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette If SWHOLEAt1 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette If SPUFFOA1 2 NO Have you ever tried cigarette smoking even just a few puffs If SPUFFOA1 2 NO Have you ever tried cigarette smoking even just a few puffs If SPUFFOA1 2 NO Have you ever tried cigarette smoking even just a few puffs If SPUFFOA1 2 NO Have you ever tried cigarette smoking even just a few puffs 30 Variable SEVRQTA1 SSDRNKAt ADRINKA1 to ADIFSMA1 AEVRETB1 ASDRNKC1 A5DRNKB1 AEVRMJB1 AUAMPHA2 Question Have you ever tried to quit smoking cigarettes All alcohol and drug use items How old were you when you first had a drink of alcohol that was more than a sip In the last 12 months how often did you have 5 drinks of alcohol or more on one occasion How old were you when you first had 5 drinks or more of alcohol on one occasion How old were you when you first used marijuana or cannabis Have you used or tried amphetamines in the last 12 months
25. AI SHMNYSAI SHMNYFAI How many of the following family and friends smoke cigarettes In the Public Use Microdata File the Not applicable option is not considered to be a valid response for the above variables Note to SPSS Users In the SPSS version of this file this response is defined as Missing along with values 96 99 and 9996 and will not be included in estimates produced using these variables These cases can be changed by the user in the Missing column in the SPSS Variable View of the dataset Grade During the cleaning process data analysts investigated cases where grade was missing uncodeable improper for the province or inconsistent with the grades represented in their school If a student indicated a grade that did not match the relevant grades in the school province or if grade was missing or uncodeable the variable was recoded to the grade that the site coordinator assigned the class when they got the class lists If that was not available the median grade of the class to which the student belonged was used If these options were not available then student age was used to impute grade Age and Age Related Variables If age is out of range for grade then age is set to 99 Not Stated If age related variables as in SPUFFOBI How old were you when you first tried smoking cigarettes even just a few puffs were reported to be greater than the actual age variable then they were given a value of 99 Not St
26. HI SHELTHDI SHELTHE1 SHELTHF1 SHELTHGI What health problems can people get if they smoke for many years e MBULLDAI MBULLDB1 MBULLDCI MBULLDD1 MBULLDEI In the last 30 days in what ways were you bullied by other students e MBULLGAI MBULLGBI MBULLGCI MBULLGD1 MBULLGEI In the last 30 days in what ways did you bully other students e A2NVRUAI A2NVRIAI A2ALCOAI A2MARIAI A2AMPHAI A2MDMAAI A2HALUAI A2HEROAI A2COCNAI A2SPCKAI A2BZPTAI A2BSLTAI A2TRNQAI A2SLEPAI A2STMSAI A2PAINAI A2DEXTA1 A2GLUEAI A2SALVAI Thinking about the most recent time you used 2 or more substances on one occasion which ones did you use Treatment of the Other Option No cleaning was done to the response option Other in all variables with this response option Written answers were not recorded The following bullets comprehensively list all variables that include the response options Other e GETHNCFI How would you describe yourself Other e SBRNDYLI Why do you smoke the brand of cigarettes that you do Other e SGETCGAI Where do you usually get your cigarettes 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 19 Treatment of the Not Applicable Option There are several variables in the dataset that require attention with regards to the Not applicable option The following is a comprehensive list of all variables with the Not applicable option e SHMNYP
27. LA2 In general like the way am OHOWFLB2 When I do something do it well OHOWFLC2 like the way look Scale recoded as 0 False 1 Mostly false 2 Neutral 3 Mostly true 4 True Notes e Following the re coding of the scale the scores were added up across the questions that were answered by the score for variable DVSELF student giving an overall e Only those records who had all three questions missing were given DVSELF 99 Derived Variables for Amount Smoked The following describes the derived variables for amount smoked in the 2012 2013 YSS Public Use Microdata File Derived Variables SLAST7G3 SLAST7H3 SLAST7B3 SLAST7C3 SLAST7D3 SLAST7E3 SLAST7F3 Question Coverage Respondents where SWHOLEA1 1 Ever smoked a whole cigarette Think back over the last 7 days Find yesterday on the wheel and fill in the number of whole cigarettes you smoked Then follow the wheel backwards and fill in the number of whole cigarettes you smoked on each of the last 7 days a Sunday 0 0 whole cigarettes smoked 1 36 whole cigarettes smoked 96 Valid Skip 99 Not Stated 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 26 o Monday Tuesday Wednesday Thursday Friday Saturday Q 00O00 Coverage Respondents where SWHOLEA1 1 Ever smoked a whole cigarette Derived Variable DVAMTSMK Defi
28. Low 17 67 BC 32 High 15 69 Canada 427 450 581 The target number of schools reflects the collaboration with SHAPES PEI and New Brunswick Student Wellness Survey in Prince Edward Island and New Brunswick respectively Find table definitions in Section 3 1 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 6 Stratum 2 School Type For all provinces schools were defined as members of either an elementary or secondary school stratum If the total enrolment of elementary grades was greater than or equal to the total enrolment of the secondary grades for a school the school was assigned to the elementary school stratum Otherwise the school was assigned to the secondary school stratum A list of private and independent schools within each province was obtained and included with the list of all public schools in the provinces Table 2 reflects the distribution of schools by school type stratum and province Table 2 Number of Participating and Non Participating Schools by School Strata and Province 2012 2013 YSS Province School Stratum Target of Schools of Schools Non Schools Participating Participating NL Elementary 16 16 3 Secondary 8 10 1 PEt Elementary 49 43 6 Secondary 12 10 2 NS Elementary 16 17 6 Secondary 8 10 3 Elementary 82 87 17 id Secondary 54 62 6 QC Elementary 24 29 50 Secondary 12 12 42 ON Elementary 36 33 102 Secondary 18 16 52 SK Elementary 18 22 34 Secondary 10 11 36
29. MR scanner In the course of visually scanning a questionnaire processing staff could correct a questionnaire in a variety of Ways including darkening marks that needed to be read by the OMR scanner erasing marks from answers where the respondents changed their mind but did not sufficiently erase the original response erasing accidental wayward marks that were not meant to indicate answers e g graffiti or doodles and erasing marks made in any places reserved for office use only As with all questions if processing staff were unsure as to how to proceed with an answer s he would go to the questionnaire processing manager who would instruct the processing staff as to what to do or would seek the advice of a data analyst to decide the appropriate action Once the questionnaires were OMR scanned the data outputs were checked for uncodeable responses Each uncodeable response was checked by trained staff to verify that a response was actually uncodeable i e where the respondent chose two answers or if OMR scanning errors needed to be corrected e g where the respondent erased one mark and chose another answer but the OMR scanning recorded both responses 7 2 Editing and Imputation The following standard codes are used in the YSS Public Use Microdata file Valid skip 96 and 996 Not stated 99 and 999 Not asked 9996 Prior to data cleaning the 2012 2013 YSS student dataset contained 47 501 records The final number of r
30. RGETAt Do you ever FORGET things you did while using alcohol or drugs ACTDWNAt Do your family and FRIENDS ever tell you that you should cut down on your drinking or drug use ATRBLDA1 Have you ever gotten into TROUBLE while you were using alcohol or drugs 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 28 Response Options for 1 Low or moderate risk DVCRAFFT 2 High risk 99 Not Stated 9996 Not Asked Notes e All six variables were re coded to 1 Yes and 0 No e The re coded variables were added up giving an overall score ranging from 0 to 6 e A score of 0 or 1 was coded to 1 Low or moderate risk e Ascore of 2 to 6 was coded to 2 High risk Those records that had three or more questions answered had a valid response for DVCRAFFT and those records that had two or less questions answered were given DVCRAFFT 99 Not Stated unless the record had two questions answered and both were Yes then DVCRAFFT 2 High risk e Records for all grade 6 students Module A were coded to 9996 Not Asked 7 4 Skip Patterns The questionnaire was intentionally designed with no respondent use skip patterns to avoid the identification of smokers by rate of questionnaire completion time in the classroom Thus all smoking behaviour items included a response option such as J do not smoke However due to the logical flow of the questions a number of questions are extraneous based on the answ
31. SBRNDYA1 SBRNDYB1 SBRNDYC 1 SBRNDYD 1 SBRNDYE 1 SBRNDYF2 SBRNDYG1 SBRNDYH1 SBRNDYI1 SBRNDYK1 SBRNDYL1 SHWHRDA1 SGETCGA1 SEVTRYAT SEVTRYB7 SEVTRYC2 SEVTRYK1 SEVTRYC5 SEVTRYL1 SEVTRYG3 SEVTRYH5 SEVTRYNS SEVTRYJ1 SEX GMONEYA1 AGE GRADE SLST30A1 SLST30B1 SWHOLEA1 2012 2013 YSS Question Variable Name 18 How old were you when you smoked your first whole cigarette SWHOLEB1 X smoke replaced try smoking in question text Mark only one added to end of question text response option wording changed from Water pipe to smoke tobacco also known as hookah sheesha narg eelay hubble bubble or gouza in 2010 2011 cycle to Using a water pipe hookah to smoke sheesha herbal or tobacco The question mark was moved from the response options to the end of the question text In previous cycles the question read Are you Female Male Table B 2 YSS Questions New to the 2012 2013 YSS Cycle 15 items Question 2012 2013 Variable Name 1 Inthe last 12 months have you used 2 or more substances such as A2HIGHA1 alcohol drugs or medication to get high on one occasion for example during a party 2 Thinking about the most recent time you used 2 or more substances on A2NVRUA1 one occasion which ones did you use Mark all that apply A2NVR1A1 A2ALCOA1 A2MARIA1 A2AMPHA1 A2MDMAA1 A2HALUA1 A2HEROA1 A2COCNA1 A2SPCKA1 A2BZPTA1 A2BSLTA1 3 Please mark whet
32. Salvia to get high in the last 12 months Susceptible to smoking See derived variables for items contributing to these variables The average number of whole cigarettes smoked per day in the past week Total number of whole cigarettes smoked in the past 7 days prior to the survey Number of days on which respondent smoked at least one whole cigarette in the week prior to the survey Average number of whole cigarettes smoked on the days that the respondent smoked Smoking pattern in the last 7 days Valid Condition s If Respondent Had sniffed glue gasoline or other solvents to get high Had tried Salvia to get high Had not tried smoking Had smoked a whole cigarette Had smoked a whole cigarette Had smoked a whole cigarette Had smoked a whole cigarette Had smoked a whole cigarette Skip Condition Variable coded 96 or 996 If AUSOLVB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried glue gasoline or other solvents to get high If AUSALVB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried Salvia to get high If SPUFFOA1 1 YES Have you ever tried cigarette smoking even just a few puffs If SWHOLEAt 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette If SWHOLEAt1 2 NO or 96 Valid Skip Have you
33. Version 5 2013 12 31 35 Variable Question Valid Condition s If Respondent Change Variable to 99 Not Stated SEVRQTA1 Have you ever tried to quit smoking cigarettes Had tried smoking If SPUFFOA1 1 YES Have you ever tried cigarette smoking even just a few puffs AND If SEVRQTA1 1 I have never smoked Have you ever tried to quit smoking cigarettes AEVRETB1 How old were you when you first had a drink of alcohol that was more than a sip Had tried alcohol If ADRINKA1 2 I did not drink alcohol in the last 12 months 4 Less than once a month 5 Once a month 6 2 or 3 times a month 7 Once a week 8 2 or 3 times a week 9 4 to 6 times a week 10 Every day or 11 I do not know In the last 12 months how often did you have a drink of alcohol that was more than just a sip AND If AEVRETB1 1 I have never drank alcohol or 2 I have only had a sip of alcohol How old were you when you first had a drink of alcohol that was more than a sip A5DRNKB1 How old were you when you first had 5 drinks or more of alcohol on one occasion Had 5 drinks or more on one occasion If ABDRNKC 1 2 I did not have 5 or more drinks on one occasion in the last 12 months 3 Less than once a month 4 Once a month 5 2 to 3 times a month 6 Once a week 7 2 to 5 times a week 8 Daily or almost daily or 9 I do not know In the last 12 m
34. aken to represent 1 000 identical responses in the population Constant sampling fractions do not result for complex survey designs such as used in the YSS In complex survey designs the sample data must be multiplied by appropriate weights that reflect the different sampling fractions This survey weight appears on the YSS Public Use Microdata File and must be used to derive meaningful population estimates from the survey Please refer to the section on using survey weights The development of the survey weights was accomplished in two stages In the first stage a weight W ij was created to account for the school selection within health region and school strata A second weight W ij was calculated to adjust for student non response Third the weights were calibrated to the provincial gender and grade distribution so that the total of the survey weights by gender grade and province would equal the actual enrolments in those groups Finally bootstrap weights see Stage 5 were generated to attach to the data file An identical weight variable is included in the Restricted and Public Use data files Stage 1 Calculation of W Within each provincial sampling frame two or three health region strata low and high and urban for Quebec Ontario and Alberta and two school level strata elementary and secondary are defined Crossing these stratifications yields six strata in Quebec Ontario and Alberta and four in each
35. and schools Refer to Table 5 and Table 6 for a listing of response rates at the school board and school level in 2012 2013 YSS The second level of response rate is based on individual student consent The response rate at the student level is derived based on the number of eligible students as provided by school contacts for participating classes Non response at the student level can be attributed to several factors Some parents guardians refused to allow their child to take part in the survey Even with parental permission some students refused to participate or were absent from class on the day of data collection The final response rates at the student level are summarized in Table 10 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 41 Table 10 Student Level Response Rates by Province 2012 2013 YSS Students Students Province students withactive with passive questionnaires rate NL 5991 1114 3151 4265 71 PE 3323 922 1603 2525 76 NS 7382 2704 1896 4600 62 NB 5392 0 3716 3716 69 Qc 6728 430 5728 6158 92 ON 13671 3754 4294 8048 59 SK 7233 604 5034 5638 78 AB 8155 2593 3150 5743 70 BC 7594 521 5989 6510 86 Canada 65812 12642 34561 47203 72 Based on completed questionnaires numerator and eligible students denominator The number of eligible students in PEI is 1 3 of all eligible students in schools participating in SHAPES PEI and YSS The number of eligible students in NB is 1 9 of all eligible
36. and the distribution of questionnaires Table 4 Questionnaire Module Distribution within Classes by Province 2012 2013 YSS Provinces Grades Questionnaire Module Distribution within Classes Grade 6 Module A in Grades 7 to 8 Module B Grades 9 to 12 Module B with YGS insert BE Grade 6 75 Module A with PEI insert 75 HE Module 75 PA Module Grades 7 to 12 75 Module B with PEI insert 7 HE Module 75 PA Module NS BC Grade 6 Module A Grades 7 to 12 Module B Grade 6 1 9 Module A 8 9 NBSWS primary module NB Grades 7 to 12 rs B 8 9 one of two NBSWS secondary Grade 6 Module A with CCS insert ve Secondary to V Module B with CCS insert x5 Grade 6 Module A Grades 7 to 12 Module B with Alberta Supplement Insert 6 0 Recruitment and Data Collection 6 1 Ethics Review Ethics approval for the project was obtained from the Office of Research Ethics at the University of Waterloo Health Canada s Research Ethics Board and the provincial institutional ethics review boards affiliated with the institutions of provincial consortium members As required school board ethics review committees also reviewed and approved the project All protocols and materials received ethics approval by the appropriate institutions e g in some cases from four levels Health Canada University of Waterloo provincial host institution and school board Throughout the course of the project all subsequent modifications to
37. ariables DSUSCEPT Response Options for 1 No DSUSCEPT 2 Yes 96 Valid Skip 99 Not Stated Basis for SSUSMTA1 Do you 1 Definitely yes Susceptibility Scale think in the 2 Probably yes future you 3 Probably not might try 4 Definitely not smoking 96 Valid Skip cigarettes 99 Not Stated SSUSFOA1 If one of 1 Definitely yes your best 2 Probably yes friends was 3 Probably not to offer you 4 Definitely not a cigarette 99 Not Stated would you smoke it SSUSNYA1 At any time 1 Definitely yes during the 2 Probably yes next year 3 Probably not do you 4 Definitely not think you 99 Not Stated will smoke a cigarette 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 25 Derivation of 1 No Calculation If SSUSMTA1 4 and SSUSFOA1 4 and Responses for SSUSNYA1 4 DSUSCEPT 2 Yes Calculation If SSUSMTA1 1 2 3 or 99 or SSUSFOA1 1 2 3 or 99 or SSUSNYA1 1 2 3 or 99 96 Valid Skip Calculation If SPUFFOA1 1 99 Not Calculation If SSUSMTA1 99 and SSUSFOA1 99 Stated and SSUSNYA1 99 Only those students who had all three questions missing were given DSUSCEPT 99 Derived Variable DVSELF Objective To measure the student s overall self esteem Questions For the next 3 statements 1 True choose the answer that 2 Mostly true describes how you feel 3 Neutral about each statement 4 Mostly false 5 False OHOWF
38. ated If the actual age variable was 99 Not Stated then the age related questions were compared to an imputed version of age based on median age per class and the grade If this was found to be less than the age related variable then the age related variable was given a value of 99 Not Stated Question 20 The Smoking Wheel Question This question asks how many whole cigarettes were smoked on each of the last 7 days The range that was allowed for each day was 0 36 All responses between 37 and 90 have been set to 99 Not Stated Valid skips were set to 96 Valid Skip as for other variables If the respondent indicates that they smoked on none of the last 30 days SLST30A1 1 and they had given a number between 1 and 36 for any of the response options then these response options will be set to 99 Not Stated If the respondent indicated that they did not smoke in the last 7 days SLAST7A3 2 and they gave a number between 1 and 36 for any of the response options then these response options will be set to 99 Not Stated 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 20 Module Assignment In the event of a protocol deviation and a grade 6 student completes a Module B questionnaire the student record will be given a value of 9996 Not Asked for all drug and alcohol use questions specific only to Module B All grade 7 to 12 students who fill out a Module A questionnaire will be gi
39. d stratum consisted of all schools in the Greater Toronto Area defined as comprising these health units Toronto Regional Health Unit York Regional Health Unit Peel Regional Health Unit Halton Regional Health Unit and Durham Regional Health Unit In Alberta the third stratum consisted of all schools For consistency this guide will refer to school boards school districts and school divisions by the term school board A census of schools was surveyed in New Brunswick and Prince Edward Island as part of YSS partnerships with the New Brunswick Student Wellness Survey and SHAPES PEI project respectively 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 5 located within 20 kilometres of Calgary and 20 kilometres of Edmonton including schools located in Calgary Edmonton St Albert and Sherwood Park Table 1 reflects the distribution of schools by smoking rate health region stratum and province Table 1 Number of Participating and Non Participating Schools by Health Region Smoking Rate Strata and Province 2012 2013 YSS Province Target Smoking Rate of Schools of Schools Non Schools Stratum Participating Participating Low 12 4 NL 24 High 14 0 Low 30 5 PE 61 High 23 3 Low 12 7 NS 24 High 15 2 Low 60 10 NB 136 High 89 13 Low 16 31 Qc 36 High 20 22 Urban 5 39 Low 18 45 ON 54 High 21 38 Urban 10 71 Low 16 37 SK 28 i High 17 33 Low 10 31 AB 32 High 18 24 Urban 12 30
40. e YSS was not implemented in New Brunswick schools with school enrolment numbers less than 20 which did not allow for proper reporting of results to schools One YSS questionnaire for every 8 NBSWS questionnaires was distributed to students with permission in each of the participating 149 schools The Government of New Brunswick Wellness funded this project 17 M Holtby L Rynard V Manske S Brown S 2013 August Active Permission Protocol Project Summary Report Propel Centre for Population Health Impact University of Waterloo Waterloo ON Project Name Youth Gambling Survey Province s Saskatchewan Ontario Newfoundland amp Labrador Primary Contact Tara Elton Marshall Centre for Addiction and Mental Health tara eltonmarshall camh ca Description The Youth Gambling Survey YGS was implemented alongside the YSS in Saskatchewan Ontario and Newfoundland amp Labrador Participating students in grades 9 to 12 in these provinces had the option to participate in the YGS as part of recruitment for the YSS The one page YGS questionnaire asked questions about youth gambling behavior and was completed by participating students following the completion of the YSS Module B questionnaire A total of 39 YSS schools with secondary grades and 10 035 students across the three provinces participated in the YGS The extent to which various risk behaviours concentrate in particular populations and or individuals exhibit multiple ris
41. e last 12 months Have you used or tried hallucinogens in the last 12 months Have you used or tried heroin in the last 12 months Have you used or tried cocaine in the last 12 months Have you used or tried spice in the last 12 months Have you used or tried BZP TFMPP in the last 12 months Have you used or tried bath salts in the last 12 months Valid Condition s If Respondent Had tried MDMA Had tried hallucinogens Had tried heroin Had tried cocaine Had tried spice Had tried BZP TFMPP Had tried bath salts 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 Skip Condition Variable coded 96 or 996 If AUMDMAB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried MDMA If AUHALUB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried hallucinogens If AUHEROB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried heroin If AUCOCNB2 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried cocaine If AUSPCKA1 1 I have never done this or 99 Not Stated If you ever used or tried how old were you when you first used or tried Spice If AUBZPTA1 1 I have never done this or 99 Not Stated
42. ecords is 47 203 AII records for which gender was not given 288 records or for which grade was not given and could not be imputed 12 records 9 of 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 17 which also did not have gender were removed Seven records with only demographics and no other questions filled out were also removed In addition Quebec secondary I II III IV and V were converted to grades 7 8 9 10 and 11 respectively Note to SPSS users in the SPSS Public Use Microdata File many variables have the values 96 99 and 9996 defined as Missing and are therefore based on SPSS commands These cases are automatically excluded from the analysis when producing estimates for these variables These cases can be changed by the user in the Missing column in the SPSS Variable View of the dataset Treatment of the I do not know Option There are several variables in the dataset that require attention with regards to the I do not know option These variables include the following e SPUFFOBI How old were you when you first tried smoking cigarettes even just a few puffs e SWHOLBEBI How old were you when you smoked your first whole cigarette e ADRINKAI In the last 12 months how often did you have a drink of alcohol that was more than just a sip e AEVRETBI How old were you when you first had a drink of alcohol that was more than a sip e ASDRNKCI In the last 12 m
43. ect Eligible Sampled Schools Schools in the sample that met the eligibility criteria of having at least 20 students in any of the eligible grades grades 6 12 Federally funded schools closed schools schools for special needs children native and charter schools were not eligible Targeted of Schools The total number of schools targeted to participate in the project in each of the participating provinces and in Canada Please note that the targeted number of schools for Prince Edward Island and New Brunswick reflect the collaboration with SHAPES PEI project and New Brunswick Student Wellness Survey respectively Approached Eligible sampled schools and their respective boards that were available to be contacted or to participate in the survey Approached schools do not include sampled schools not approached due to sampling adjustments or schools that were part of refusing boards Refused Includes boards or schools that refused to participate did not give a response were unable to be reached backed out withdrew their participation or did not respond to recruitment efforts to participate in the survey Participation Rate The number of boards or schools that participated in the survey as a percentage of the total number of boards or schools respectively approached to participate in the project Schools Participating Eligible schools that were sampled for the project and completed a school data collection Boards
44. efinitions Used in this Guide esses eene nennen nennen nnne n nnns nnn 3 Definitions Used in the 2012 2013 YSS Public Use Microdata File eee 4 rule 4 Sampling StratifiCatlOn epe IB nU RI vee sees 5 Sample Selection itte a ete eive steals Cy du eu equae ead 7 Questionnaire Developmieht eco eoe eroe rero aao n cedeienossaceedesscvestenvedeenns 9 Questionnaire Desigh need eie eile deti P qe E 9 Pilot It stihgs i race Ae ee ERES ERES 10 Questionnaire Distribution usessseeeseseeeee eene enne nennen nnne nnne nh nnns ener nain a n 12 Recruitment and Data Collection ee ecce eese ecce eene eene nnn enne nnn 12 Ethics RevieW omes te tet eter e t tette e petet repere t RES 12 Recruitment of Boards and Schools sess ener nennen nihii 13 Recruitment of Students e teet iet tte Oh ebd cea Ee E Oed 13 Arranging Data Collection iste een Rn etae dente a aee rene ee aa Tag 14 School Data Collectior 5 Let ettet te ertt reet e teta a ens 14 Sample Siz8 c nme tdt hi dtc t tthi tte ee 15 Data Processing iei aree eee eo erbe eoe ee eorr ee yo ree ee eee et ee Par Porti eo evactesvecesesseusaee 17 Data Capture cocoate rela EAEE AE A AE TEET AE Gelert 17 Editing and Imputation er dee e re ai er teva Ue adn E aiaeei 17 Creation of Derived Variables ccccccccccccessssessececeeecesseseaeseeeeecssseseaae
45. er to a previous question In these cases a skip pattern has been imposed onto the data set If within the structure of the questionnaire a question could have been skipped it was coded as 96 Valid Skip 996 Valid Skip or 9996 Not Asked The following explains each question that has a 96 or a 996 code and the logical reasoning for coding the question The code 9996 has only been used to identify those individuals who have not completed the additional questions in Module B Note that the questionnaire distribution corresponds to grade whereby grade 6 students received a Module A questionnaire and grades 7 to 12 students received a Module B questionnaire see section 5 1 Table 8 Skip Patterns in Public Use Microdata File 2012 2013 YSS Variable Question Valid Skip Condition Condition s Variable coded 96 If Respondent or 996 SPUFFOB1 How old were you when Had tried smoking If SPUFFOA1 2 NO you first tried smoking Have you ever tried cigarettes even just a cigarette smoking even few puffs just a few puffs SSUSMTA1 Do you think in the future Had not tried If SPUFFOA1 1 YES you might try smoking smoking Have you ever tried cigarettes cigarette smoking even just a few puffs SWHOLEA1 Have you ever smoked a Had tried smoking If SPUFFOA1 2 NO whole cigarette 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 Have you ever tried cigarette smoking even just a few puffs 29 Variable
46. es such as linear regression logistic regression and analysis of variance more reasonable This is done by rescaling the weights on the records so that the average weight is one As a result of using this weight the results produced by standard packages will take into account the unequal probabilities of selection and thus be more meaningful even if they do not take into account the stratification and clustering of the design of the sample A rescaled weight can be calculated by dividing the original weight by the average of the original weights for the sampled units contributing to the estimator that one is interested in The method described in the above paragraph produces reliable estimates of the coefficients under consideration in the analysis however the stratification and clustering of the sample s design are still not taken into account Consequently the variance estimates calculated in this way are likely to be under estimated 9 5 Coefficient of Variation Release Guidelines Before releasing and or publishing any estimate from the 2012 2013 YSS users should first determine the quality level of the estimate The quality levels are Acceptable Marginal and Unacceptable Data quality is affected by both sampling and non sampling errors as discussed in Section 8 However for this purpose the quality level of an estimate will be determined only on the basis of sampling error as reflected by the coefficient of variation i e standard dev
47. estionnaires Module A and B Appendix C Youth Smoking Survey Questions across Cycles Table B 1 YSS Questions in all YSS cycles 18 Items E a 9 11 13 14 15 Question Have you ever smoked 100 or more whole cigarettes in your life Have you ever tried to quit smoking cigarettes Have you ever tried cigarette smoking even just a few puffs Have you ever smoked every day for at least 7 days in a row At any time during the next year do you think you will smoke a cigarette Do you think in the future you might try smoking cigarettes Why do you smoke the brand of cigarettes that you do Mark all that apply Do you think it would be difficult or easy for you to get cigarettes if you wanted to smoke Y Where do you usually get your cigarettes Mark only one t Have you ever tried any of the following Mark all that apply Are you Female Male 12 About how much money do you usually get each week to spend on yourself or to save Remember to include all money from allowances and jobs like babysitting delivering papers How old are you today What grade are you in On how many of the last 30 days did you smoke one or more cigarettes Thinking back over the last 30 days on the days that you smoked how many cigarettes did you usually smoke each day Have you ever smoked a whole cigarette 2012 2013 YSS Variable Name SHUNDOA1 SEVRQTA1 SPUFFOA1 SLAST7A1 SSUSNYA1 SSUSMTA1
48. ette during the 30 days preceding the survey but has not smoked every day Formerly smoked Has smoked 100 or more cigarettes in his her lifetime but has not smoked at all during the 30 days preceding the survey Formerly smoked daily Has smoked 100 or more cigarettes in his her lifetime but has not smoked at all during the 30 days preceding the survey and has at some time smoked every day for seven days in a row Formerly smoked occasionally Has smoked 100 or more cigarettes in his her lifetime but has not smoked at all during the 30 days preceding the survey and has never smoked every day for seven days in a row Never smoker Has smoked fewer than 100 cigarettes in his her lifetime Experimental smoker beginner Has smoked between 1 and 99 cigarettes in his her lifetime and has smoked in the 30 days preceding the survey Past experimenter Has smoked between 1 and 99 cigarettes in his her lifetime but has not smoked in the 30 days preceding the survey Puffer Has smoked less than one whole cigarette in his her lifetime but has tried smoking Never tried Has never tried smoking not even just a puff 4 0 Sampling Design The 2012 2013 YSS was administered to grades 6 to 12 students enrolled in schools in 9 of Canada s provinces The province of Manitoba declined participation in the 2012 2013 YSS Based on the comparative analysis conducted using 2010 2011 survey data there were no statistically signif
49. ever smoked a whole cigarette If SWHOLEAt 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette If SWHOLEAt 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette If SWHOLEAt1 2 NO or 96 Valid Skip Have you ever smoked a whole cigarette Additionally cleaning has been done where the respondent has indicated that they have used tried the activity in question but for subsequent questions respond that they have never tried it For example if the response is that they have tried smoking even a few puffs but then in answer to How old were you when you first tried smoking cigarettes even just a few puffs they respond with I have never done this This second response is changed to Not Stated Any of the other responses are valid Table 9 details the 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 34 additional data cleaning applied to responses in order to account for inconsistencies in the Public Use Microdata File Table 9 Data Cleaning Applied to Response Inconsistencies 2012 2013 YSS Valid 2 i ni hange Variabl Variable Question Condition s Cha oN hae hn 99 If Respondent If SPUFFOA1 1 YES Have you ever tried cigarette smoking even just a few puffs How old were you AND when you first tried l SPUFFOB1 smoke cigarettes Had tried smoking f SPUFFOB1 1 I have never even just a few puffs done this How old were you whe
50. gest and most comprehensive survey on youth smoking behaviour since 1979 The YSS has been repeated biennially since 2002 in order to track changes in the attitudes and behaviours of Canadian children and adolescents with respect to tobacco drug and alcohol use Until the 2004 2005 cycle of the YSS the YSS was only administered to students in grades 5 through 9 Beginning in the 2006 2007 cycle of the YSS the survey was extended to include all secondary students in a province i e grades 5 to 12 in most provinces and primary 5 6 and secondary I to V in Quebec Beginning with the 2008 2009 YSS the grade 5 population was eliminated from the YSS sample and has included grade 6 to 12 students The main objective of the 2012 2013 YSS is to provide benchmark tobacco use prevalence rates at national and provincial levels for students in grades 6 through 12 In The province of Manitoba declined participation in the 2012 2013 YSS Based on the comparative analysis conducted using 2010 2011 survey data there were no statistically significant differences in national estimates with and without Manitoba 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 1 addition benchmark drug and alcohol use rates for students in grades 7 through 12 are also collected The 2012 2013 YSS questionnaire included questions about physical activity healthy eating school connectedness bullying and other behaviours to better understand youth and current scho
51. her or not you have ever done or do any of the ARIDEHA1 following ARELAXA1 AALONEA1 AFRGETA1 ACTDWNA1 ATRBLDA1 Question 4 10 11 12 13 How difficult do you think it would be for you to get each of the following types of drugs if you wanted some In the last 30 days in what ways were you bullied by other students Mark all that apply In the last 30 days in what ways did you bully other students Mark all that apply Do you believe that using a water pipe hookah to smoke sheesha herbal or tobacco is Have you ever read seen or heard about the 1 866 366 3667 quit line or the gosmokefree gc ca quit website on a cigarette package Have you ever used contacted the 1 866 366 3667 quit line or the gosmokefree gc ca quit website How many of the following family and friends smoke cigarettes a Your parents step parents guardians b Your brothers sisters c Your closest friends i e the friends you like to spend the most time with What health problems can people get if they smoke for many years Mark all that apply Chronic Bronchitis Emphysema Bladder cancer Vision loss blindness Why do you smoke the brand of cigarettes that you do Mark all that apply like the slim or super slim size like the menthol flavour In the last 12 months have you had alcohol and an energy drink such as Red Bull Rock Star Monster or another brand on the same occasion for example during a
52. iation divided by the mean multiplied by 100 as shown in the table below Nonetheless users should be sure to read Section 7 to be more fully aware of the quality characteristics of these data First determine the number of respondents who contributed to the calculation of the estimate If this number is less than 30 consider the weighted estimate to be of unacceptable quality For weighted estimates based on sample sizes of 30 or more users should determine the coefficient of variation of the estimate and follow the guidelines in Table 11 Apply these quality level guidelines to weighted rounded estimates All estimates may be released However those of marginal or unacceptable quality level must be accompanied by a statement of warning to caution subsequent users 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 46 Table 11 Quality Level Guidelines for Weighted Estimates Quality Level of Estimate Acceptable Marginal Unacceptable Guidelines Estimates have a sample size of 30 or more and low coefficients of variation in the range of 0 0 to 16 5 No warning is required Estimates have a sample size of 30 or more and high coefficients of variation in the range of 16 6 to 33 3 Estimates should be flagged with the letter M or some similar identifier They should be accompanied by a warning to caution subsequent users about the high levels of error associated with the estimates Estimates have a sample si
53. icant differences in national estimates with and without Manitoba 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 4 Sampling frames for each province began with a list of all schools in the participating provinces The most up to date lists of schools were obtained from the Department of Education in each participating province and combined with information already in Propel s School Database Each provincial sampling frame consisted of a range of information about each school including the school board name gt city address postal code health region and enrolment numbers by grade when available The target population for the 2012 2013 YSS consisted of all young Canadian residents attending private public and Catholic schools enrolled in grades 6 to 12 inclusively excluding schools in Manitoba Yukon Northwest Territories and Nunavut Young persons who attend special schools e g schools for the visually impaired special needs and hearing impaired virtual schools daycares or who attend schools located on military bases were excluded from the target population In addition schools with no eligible grades and schools that do not have at least 20 students in at least one eligible grade were excluded 4 1 Sampling Stratification The sampling of schools for the 2012 2013 YSS was based on a stratified single stage design Within most provinces stratification was based on two classifications 1 health region smoking
54. ich the sample was drawn Re basing the survey weights In some instances users may want to maintain the sample size rather than the population estimate and ensure that adjustments for sampling methods are retained For this reason users need to re base the survey weights Re basing the survey weight can be done as follows n Sample size refers to the number of records in the final data set 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 40 Relative weight sample size WTP gt WrPP 7 8 Suppression of Confidential Information It should be noted that the Public Use Microdata File may differ from the survey master files held at Propel These differences usually are the result of actions taken to protect the anonymity of individual survey respondents The most common actions are the suppression of file variables grouping values into wider categories and coding specific values into the not stated category Specifically the following variables have been removed from the Public Use Microdata file school board identifier school identifier class identifier strata identifiers postal code age 8 0 Data Quality There are various factors that influence data quality This section summarizes threats to data quality and steps taken to ameliorate these 8 1 Response Rates There were various levels of non response throughout the 2012 2013 YSS First some degree of non response was noted among school boards
55. ils about the project contact information for project staff and requested parents to call a toll free number if they did not want their child to participate in the survey Parents could also go to the project website for further details about the project and copies of the questionnaires If no call or letter was received it was assumed that parents passively provided permission for their child to participate in the survey Students whose parents called or wrote to refuse their child s participation in the survey did not participate Students also had the opportunity to decline participation on the day of data collection 6 4 Arranging Data Collection Data collections were implemented in participating schools between November 2012 and June 2013 Contacts at each school were asked to provide a list of classes for the eligible grades that included teacher name course name and or the classroom number grade and the number of students enrolled Project staff used this information to prepare permission materials and entered it along with other school particulars e g address data collection date etc into an online database Upon receipt of permission forms or calls from parents student information was entered into this database to ensure only students with permission received a student questionnaire Questionnaires were bundled by classroom and couriered or hand delivered to the school contact for distribution to classroom teachers for the data co
56. k behaviours e g tobacco use drug use and gambling will be a primary focus of this work The Ontario Problem Gambling Research Centre funded this project Project Name Canadian Cancer Society Quebec Insert Questionnaire Province s Quebec Primary Contact Jacinthe Hovington Canadian Cancer Society Quebec jhovington quebec cancer ca Description In the province of Quebec the Canadian Cancer Society Quebec CCS Qc questionnaire insert was implemented alongside the YSS The survey consists of a one page questionnaire that is completed by students in all eligible grades after they complete a YSS questionnaire Participating schools had the option to decline participation in the questionnaire The questionnaire included questions on age of initiation of smoking use of electronic cigarettes and sun exposure behaviours and attitudes A total of 39 YSS schools and 5 880 students participated in the CCS Qc questionnaire alongside the YSS The Canadian Cancer Society Quebec Division and the Quebec Ministry of Health and Social Services funded this project Project Name Alberta Supplement Project Province s Alberta Primary Contact Dr Cam Wild University of Alberta cam wild ualberta ca Description The Alberta Supplement investigated student attitudes toward school policies related to tobacco cannabis and alcohol as well as the receipt and delivery of interpersonal tactics to control the use of these substances
57. lease contact Steve Manske YSS Principal Investigator Senior Scientist Propel Centre for Population Health Impact Lyle S Hallman Institute University of Waterloo 200 University Avenue West Waterloo ON N2L 3G1 519 888 4518 manske uwaterloo ca www yss uwaterloo ca Please direct any questions about the data set or its use to University of Waterloo Health Canada Robin Burkhalter YSS Analyst Manon Mireault YSS Technical Authority Data Analyst Epidemiologist Propel Centre for Population Health Impact Controlled Substances and Tobacco Directorate 200 University Avenue West 150 Tunney s Pasture Driveway Waterloo Ontario N2L 3G1 Ottawa ON K1A 0K9 519 888 4567 ext 36632 613 946 9129 rjburkha uwaterloo ca manon mireault hc sc gc ca PLEASE BECOME FAMILIAR WITH THE CONTENTS OF THIS DOCUMENT BEFORE PUBLISHING OR OTHERWISE RELEASING ANY ESTIMATES DERIVED FROM THE 2012 2013 YSS PUBLIC USE MICRODATA FILE 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 Table of Contents 1 0 2 0 2 1 3 0 3 1 3 2 4 0 4 1 4 2 5 0 5 1 5 2 5 3 6 0 6 1 6 2 6 3 6 4 6 5 6 6 7 0 7 1 7 2 7 3 7 4 7 5 7 6 7 7 7 8 8 0 8 1 8 2 9 0 9 1 9 2 9 3 9 4 9 5 INTFODUCTION r M M 1 Background MM 1 Collaborative Provincial Projects esses enne nnnenn nnne nnn nnns 2 Concepts and Definitions iooriieeri dosis eran rana codo eh LUE er X edd aoo aa EL eoa er ERA HIR 2 D
58. leased by users Un rounded estimates imply greater precision than actually exists 9 2 Sample Weighting Guidelines for Tabulation The sample design used for the Youth Smoking Survey YSS was not self weighting When producing simple estimates including the production of ordinary statistical tables users must apply the proper sampling weights If proper weights are not used the estimates derived from the Public Use Microdata file cannot be considered to be representative of the survey population and will not correspond to estimates produced by Health Canada 9 3 Definitions of Types of Estimates Categorical and Quantitative Before discussing how the YSS data can be tabulated and analyzed it is useful to describe the two main types of point estimates of population characteristics which can be generated from the Public Use Microdata file for the YSS Categorical Estimates Categorical estimates are estimates of the number or percentage of the surveyed population possessing certain characteristics or falling into some defined category The number of students who ever smoked a whole cigarette or the proportion of smokers who usually buy cigarettes from a friend or someone else are examples of such estimates An estimate of the number of persons possessing a certain characteristic may also be referred to as an estimate of an aggregate Lrtampies of Categorical Questions Have you ever smoked a whole cigarette Yes No Where do you us
59. llection date 6 5 School Data Collection On the day of the school data collection teachers followed detailed project instructions to administer the questionnaire during a designated class period The questionnaire administration including instructions to the students required 35 minutes or less within each class To protect confidentiality teachers were asked not to circulate within the classroom while students were completing the questionnaire and students were required to place their completed questionnaire in a sealable envelope before it was collected by a fellow student Individual envelopes containing the completed student questionnaires were placed in a large classroom envelope and delivered to the YSS project staff person attending the data collection 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 14 The YSS staff person attending the data collection typically set up a station in front of the school office or in another central location The staff person was available to answer questions and receive classroom bundles of questionnaires at the end of the data collection period Within a few days of data collection the site coordinators shipped the completed questionnaires organized by school and classroom to the YSS team at Propel for processing 6 6 Sample Size Tables 5 and 6 provide board and school participation outcomes by province Table 7 provides the total number of students who participated in the survey
60. me with students enrolled in eligible grade 6 to 12 classes Parent information letters provided details about the project contact information for project staff and referral to the project website for further details and copies of the questionnaires Parents were given a minimum of two weeks to return permission forms To improve permission form return rates some schools chose to send permission 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 13 materials with report cards resend permission materials conduct phone follow ups to parents and or provide verbal or written reminders to students The Active Permission Protocol project described in Appendix A also allowed for additional incentives to be used in secondary schools requiring active permission protocols Only those students with yes indicated on a permission form were able to participate in the survey Students also had the opportunity to decline participation on the day of data collection Active Information Passive Permission For schools participating with active information passive permission protocols school staff distributed information permission letters to the parents Schools were asked to distribute the letters to the parents in the method most effectively used within their school community including mailing the letters directly to the students home emailing the letters to the parents and using a voice relay system Parent information letters provided deta
61. n you first tried smoking cigarettes even just a few puffs If SWHOLEA1 1 YES Have you ever smoked a whole How old were you cigarette AND SWHOLEB1 when you smoked Had smoked a If SWHOLEB1 1 I have never your first whole whole cigarette smoked a whole cigarette cigarette How old were you when you smoked your first whole cigarette Think back over the If SWHOLEA1 1 YES Have last 7 days Find you ever smoked a whole yesterday on the cigarette AND wheel and fill in the If SLAST7A3 1 I have never number of whole smoked cigarettes you Think back over the last 7 days smoked Then follow Find yesterday on the wheel and Had smoked a ud SLAST7A3 the wheel backwards fill in the number of whole TA whole cigarette i Ld and fill in the number cigarettes you smoked Then of whole cigarettes follow the wheel backwards and you smoked on each fill in the number of whole of the last 7 days If cigarettes you smoked on each you have not smoked of the last 7 days If you have mark one of the not smoked mark one of the circles below circles below If SPUFFOA1 1 YES Have you ever tried cigarette When you first tried smoking even just a few puffs smoking cigarettes AND SSDRNKA1 were you drinking Had tried smoking alcohol at the same time If SSDRNKA1 1 I have never tried smoking When you first tried smoking cigarettes were you drinking alcohol at the same time 2012 2013 YSS Microdata User Guide
62. nition The average number of whole cigarettes smoked per day in the past week as an integer value Calculation of Responses for DVAMTSMK SLAST7B3 SLAST7CS SLAST7D3 SLAST7E3 SLAST7F3 SLAST7G3 SLAST7H3 7 Notes e All responses had to have valid responses for valid data e fall responses have 99 or if any of the days are missing then DVAMTSMK 99 Derived Variable DVCIGWK Definition Total number of whole cigarettes smoked in the 7 days prior to the survey Calculation of Responses for DVCIGWK SLAST7B3 SLAST7C3 SLAST7D3 SLAST7E3 SLAST7F3 SLAST7G3 SLAST7H3 Notes e Not necessary for all to have valid responses e Zero value has been treated as a valid response e Ifall days have missing data then DVCIGWK 999 Derived Variable DVNDSMK Definition Number of days on which respondent smoked at least 1 whole cigarette in the week prior to the survey Calculation of Responses for DVNDSMK A count of SLAST7B3 SLAST7C3 SLAST7D3 SLAST7E3 SLAST7F3 SLAST7G3 and SLAST7H3 excluding days with a missing or zero response Notes e Zero has been treated as a zero response e Ifall days have missing data then DVNDSMK 99 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 27 Derived Variable DVAVCIGD Definition Average number of whole cigarettes smoked on the days that the respondent smoked Calculation of Res
63. obacco use and behaviours directly o 9 questions 18 items that assess measures predictive of or related to youth tobacco use 3 questions 12 items about physical activity and eating behaviours 5 questions 10 items on participant demographics 6 questions 13 items regarding students and their school and 12 questions 70 items on alcohol marijuana and drug use O OO 0 5 2 Pilot Testing Two rounds of questionnaire pilot testing English and French were conducted by YSS Propel staff prior to implementing the 2012 2013 YSS questionnaire in schools The English language pilot testing was conducted in Toronto Ontario and the French language pilot testing occurred in Montr al Quebec The pilot test was divided into two components e questionnaire completion allotted 35 minutes and e discussion allotted 75 minutes Grade 6 participants completed the Module A questionnaire and grades 7 to 12 participants completed the Module B questionnaire The primary objectives of the pilot testing sessions were to e assess student understanding of the questions particularly new and revised questions e test student response to the logic and flow of the questionnaire and e determine the length of time students take to complete the questionnaire The samples for the English and French Pilot Tests were recruited by Opinion Search a market research firm that uses panel database procedures for recruitment Parents who previousl
64. of the other provinces Within each stratum in each province schools were selected based on simple random sampling 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 37 Stage 1 Calculation of W Within each stratum in each province schools were randomly selected For school j Wi has been computed as W j 1 n 1j where Tt j is the probability of inclusion at stage 1 for school j and where l Number of selected schools in the given stratum and L Total number of schools in the stratum Please Note All secondary schools in the Ontario urban stratum were equated to either the low or high smoking rate stratum depending on which they would have belonged to for the purpose of calculating Wi This was done to prevent large weights Stage 2 Calculation of Wzjg Calculation of W3jg is different for elementary and secondary schools In the elementary school strata response rates were calculated based on the ratio of number of participating students by school and by grade to the number of eligible students by school and by grade Within each selected school we computed the response rate for the students by grade _ 7 8 Hm N GR where n Cg is the number of participating students in grade g in school j N 8 is the total number of eligible students in grade g in school j Then Wie 1 Toj In the secondary school strata for all provinces response rates were calculated based on the ratio of the number of par
65. ol priorities as well as to investigate the relationships between these other behaviours and tobacco drug and alcohol use The YSS also captures issues influencing tobacco alcohol and drug use e g knowledge social influences education related behaviours and attitudes Consequently the survey can assist policy practice and research sectors understand individual responses to current and future policy and program initiatives e g smoking in cars use of flavoured tobacco This information is critical to assessing the need for increased legislative controls on tobacco and bolstering public support for these policy options Without this type of monitoring the effectiveness of our prevention efforts cannot be gauged All participating schools received a school specific profile and two summaries of their survey results within 8 to 10 weeks of their data collection date The one page two sided summaries were targeted to the general school population and the parent community to facilitate the distribution and sharing of results with others These school profiles and summaries provide valuable information for schools to address tobacco use and other social school environment and health behaviour issues schools Throughout the profiles and summaries YSS school specific results were compared to past provincial and national YSS data 2 1 Collaborative Provincial Projects The 2012 2013 YSS was implemented alongside seven collaborative projects
66. ole cigarettes in your life Valid response 2 No AND SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Valid responses 2 1 day 3 2 to 3 days 4 4 to 5 days 5 6 to 10 days 6 11 to 20 days 7 21 to 29 days 8 30 days every day Past Definition A past experimental smoker is a person who Experimental has smoked a whole cigarette but did not Smoker smoke in the last 30 days and also did not smoke 100 cigarettes in his her lifetime Calculation SWHOLEA1 Have you ever smoked a whole cigarette Valid response 1 Yes 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 24 AND SHUNDOA1 Have you ever smoked 100 or more whole cigarettes in your life Valid response 2 No AND SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Valid response 1 none Puffer Definition A puffer is a person who has tried smoking but has never smoked a whole cigarette Calculation SPUFFOA1 Have you ever tried cigarette smoking even just a few puffs Valid response 1 Yes AND SWHOLEAt1 Have you ever smoked a whole cigarette Valid response 2 No Never Tried Definition A person classified as never tried has never tried a cigarette not even just a few puffs Calculation SPUFFOA1 Have you ever tried cigarette smoking even just a few puffs Valid response 2 No Derived V
67. onths how often did you have 5 drinks of alcohol or more on one occasion AND If ABDRNKB 1 1 I have never done this How old were you when you first had 5 drinks or more of alcohol on one occasion 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 36 Valid Variable Question Condition s If Respondent Change Variable to 99 Not Stated If AOFTMJA1 2 I have used marijuana but not in the last 12 months 3 Less than once a month 4 Once a month 5 2 or 3 times a month 6 Once a week 7 2 or 3 times a week 8 How old were you 4 to 6 times a week 9 Every AEVRMUJB1 when you first used Had tried day 10 I do not know marijuana or marijuana In the last 12 months how often cannabis did you use marijuana or cannabis AND If AEVRMJB1 1 I have never used marijuana How old were you when you first used marijuana or cannabis 7 6 Weighting Survey weights are needed to derive population estimates from the survey sample In a simple random sample every unit in the population has the same probability of being drawn The fraction of the population that is sampled is the sample size divided by population size To calculate the weight of each sampled member one should multiply each member by l fraction If the sample size was 100 and the population was 100 000 then the weight of each sampled member would be 1 000 This means that any sampled member s response is t
68. onths how often did you have 5 drinks of alcohol or more on one occasion e ASDRNKBI How old were you when you first had 5 drinks or more of alcohol on one occasion e ANRGDKA2 In the last 12 months have you had alcohol mixed or pre mixed with an energy drink such as Red Bull Rock Star Monster or another brand on the same occasion for example during a party e AOFTMJAI In the last 12 months how often did you use marijuana or cannabis a joint pot weed hash e AEVRMJBI How old were you when you first used marijuana or cannabis In the Public Use Microdata File the I do not know option is not considered to be a valid response for the above variables These are questions that relate to something specific to the respondent such as their age when they first did a behavior The I don t know option for all other variables is considered valid In this case the questions are more opinion or knowledge related such as whether a sibling smoked Note to SPSS Users In the SPSS version of this file this response is defined as Missing along with values 96 99 and 9996 and will not be included in estimates produced using these variables These cases can be changed by the user in the Missing column in the SPSS Variable View of the dataset Treatment of Mark all that Apply questions The following lists all variables that are multi response questions where the respondent can select more
69. ponses for DVCIGWK DVAVCIGD DVNDSMK Notes e If DVCIGWK and DVNDSMK were both zero responses then DVAVCIGD 0 e f either DVCIGWK or DVNDSMK were missing then DVAVCIGD 99 Derived Variable DVSMKPTN Definition Smoking pattern in the last 7 days Calculation of Responses for Calculated based on these variables DVSMKPTN SLAST7B3 SLAST7C3 SLAST7D3 SLAST7E3 SLAST7F3 SLAST7G3 SLAST7H3 1 Smoked every day 2 Smoked week days only 3 Smoked weekend days only 4 Did not smoke in the last 7 days 5 Other pattern 99 Not stated DVCRAFFT Derived Variable The following describes the derived variable DVCRAFFT for the 2012 2013 YSS Public Use Microdata File The derived variable is used to measure the respondent s risk of having an alcohol or drug related disorder This derived variable is new to the YSS project Derived Variable DVCRAFFT Objective To measure the respondent s risk of having an alcohol or drug related disorder Questions Please mark whether or not 1 Yes you have ever done or do 2 No any of the following 99 Not Stated 9996 Not Asked ARIDEHA1 Have you ever ridden in a CAR driven by someone including yourself who was high or had been using alcohol or drugs ARELAXA1 Do you ever use alcohol or drugs to RELAX feel better about yourself or fit in AALONEAT Do you ever use alcohol or drugs while you are by yourself ALONE AF
70. project staff including provincial staff to ensure consistency across provinces The online database permitted the central coordinating staff to monitor progress recruitment and participation rates and alignment with protocols Provincial site coordinators took responsibility for recruiting all boards and schools within their province Schools with no governing school board were approached directly regarding the project School boards were typically contacted via a formal application if required or a YSS board invitation package and follow up phone calls Once a school board was successfully recruited the schools within that school board were approached via a YSS school invitation package and follow up phone calls Boards schools parents and students also had access to all project materials via the YSS website www yss uwaterloo ca 6 3 Recruitment of Students A mix of active permission protocols and active information passive permission protocols were used for the YSS project Schools were encouraged to use the permission method most typically used to obtain parental permission in their school Approximately 71 of students participated in the YSS with passive parental permission and 29 of students participated with active parental permission See Table 10 for active and passive permission response rates Active Permission For schools participating with active permission protocols an information letter and permission form was sent ho
71. protocols and documents were also submitted to the appropriate ethics review committee s for approval 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 12 6 2 Recruitment of Boards and Schools The recruitment process began with sending project information letters to all provincial Ministries of Education and Health across the country to inform them of the planned 2012 2013 YSS for the 2012 13 school year In response to these letters letters of support were received from several Ministers and Deputy Ministers of Education and Health providing information on the importance of the YSS and describing how the survey fits within their mandate When available these support letters were included in project recruitment packages sent to school boards and schools across the country Each provincial consortium member hired a provincial site coordinator and data collectors as needed to be responsible for school board and school recruitment and data collection implementation within their province Provincial staff training was provided by YSS Propel Central Coordinating staff via a two day training session held at the University of Waterloo web based training sessions a comprehensive manual and ready access to a YSS Propel point person for advice and support regarding day to day issues throughout the course of the project Materials protocols and an online real time database were centrally developed by YSS Propel staff for use by all
72. rate and 2 type of school elementary or secondary Within each provincial sampling frame two or three health region smoking rate strata and two school level strata were defined Stratum 1 Health Region Smoking Rate With the exception of Quebec Ontario and Alberta the list of all schools was divided into two strata based on the smoking rate for 15 19 year olds in the health region in which the school is located as determined using the school s six digit postal code and the current Canadian Community Health Survey data Schools located in health regions with a smoking rate lower than the median smoking rate for the province were assigned to the low smoking rate health region stratum The remaining schools were assigned to the high smoking rate health region stratum Quebec Ontario and Alberta schools were divided into three strata Two strata parallel the smoking rate health region strata high and low described above but excluded schools defined as being part of the urban areas of Montreal Quebec Calgary Edmonton Alberta and Toronto Ontario This third stratum acknowledges the size of the metropolitan areas in these provinces by sampling schools located in large urban centres and ensuring representation from these centres In Quebec the urban stratum was defined as all schools listed within the Greater Montreal including the entire Island of Montreal Laval and the Urban Agglomeration of Longueuil In Ontario the thir
73. ration with the SHAPES PEI project In New Brunswick all eligible public schools in the province were included in the sample which includes 104 elementary and 68 secondary as part of the YSS collaboration with the New Brunswick Student Wellness Survey Selection of Schools In total 1073 schools made up the 2012 2013 YSS sample including schools added throughout the course of the project to ensure provincial representativeness in each province and to account for province specific needs Table 3 describes the sampling outcome by province for the 2012 2013 YSS and includes the target number of schools and the final number of sampled and eligible sampled schools Some schools were eliminated from the sample at the project outset as they no longer met the school eligibility criteria A total of 1031 of the sampled schools were eligible for participation in the survey Table 3 Sampling Outcomes by Province 2012 2013 YSS Province Target Schools Total Sampled Eligible Sampled Schools Schools NL 24 32 30 BE 61 61 61 NS 24 37 36 NB 136 176 172 QC 36 146 133 DN 54 209 203 BS 28 112 103 AB 32 132 125 BC 32 168 168 Canada 427 1073 1031 The number of schools reflects the collaboration with SHAPES PEI and the New Brunswick Student Wellness Survey in Prince Edward Island and New Brunswick respectively 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 8 Selection of Students Within each sampled participating school all studen
74. seeeeseessessaaeaeeeesseeees 21 Skip Patterns anani a de divas id a e a ieee ee 29 Additional Cleaning Around Skip Patterns ccccccccccccsssssssseceeeceseesesnsaeeeeeeessesnaeaeeeeseesees 34 Weighting Tett dp tuti ae des ee tux 37 Use of Survey Weights ee e eene x C I e EXT E VENERE RT Ve vuU 40 Suppression of Confidential Information eese eene enne nnne 41 bEpucWHelrli T 41 RESPONSE Rates 7 4 erre reatu eaa cae ated etna ea e ca e amr deant arae sats sbsdedactaaccsesadiedscied ci Ta age de ad 41 SUPVEY ENRON RL m 42 Guidelines for Tabulation Analysis and Release eese 43 Rounding Guide n aen aaea areae ah eee ete ee actes 43 Sample Weighting Guidelines for Tabulation eseseesesseeeeee nennen 44 Definitions of Types of Estimates Categorical and Quantitative esesssss 44 Use of Weights for Producing Simple Estimates eese 45 Coefficient of Variation Release Guidelines esses enne 46 ii 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 List of Tables Table 1 Number of Participating and Non Participating Schools by Health Region Smoking Rate Strata and Province 2012 2013 YSS wc icccccccccsscecccssscesccssesesccsessscceesesccsueeseeseeeeseseeseeeess 6 Table 2 Number of Participating and Non Participa
75. smoker is a person who smoked at least 100 cigarettes in his her lifetime and smoked at least 7 days in a row but did not smoke in the last 30 days Calculation SHUNDOA1 Have you ever smoked 100 or more whole cigarettes in your life Valid response 1 Yes AND SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Valid Response 1 None 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 23 AND SLAST7A1 Have you ever smoked every day for at least 7 days in row Valid Response 1 Yes Former Definition A former occasional smoker is a person who Occasional smoked at least 100 cigarettes in his her life Smoker time and did not smoke for at least 7 days in a row and also did not smoke in the last 30 days Calculation SHUNDOA1 Have you ever smoked 100 or more whole cigarettes in your life Valid response 1 Yes AND SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Valid response 1 None AND SLAST7A1 Have you ever smoked every day for at least 7 days in row Valid response 2 No Experimental Definition An experimental smoker is a person who Smoker has smoked in the last 30 days but has not Beginner smoked 100 or more cigarettes Calculation SWHOLEA1 Have you ever smoked a whole cigarette Valid response 1 Yes AND SHUNDOA1 Have you ever smoked 100 or more wh
76. students in schools participating in both the NBSWS and YSS 8 2 Survey Errors The estimates derived from this survey are based on a sample of schools Somewhat different estimates might be obtained if a complete census had been taken using the same questionnaire data collection staff and processing methods as those actually used in the survey The difference between the estimates obtained from the sample and those resulting from a complete count taken under similar conditions are called the sampling error of the estimate Errors which are not related to sampling may occur at almost every phase of a survey Administrators may misunderstand instructions respondents may make errors in answering questions the answers may be incorrectly entered on the questionnaire and errors may be introduced in the processing and tabulation of the data These are all examples of non sampling errors Over a large number of observations randomly occurring errors will have little effect on estimates derived from the survey however errors occurring systematically will contribute to biases in the survey estimates Considerable time and effort were taken to reduce non sampling errors in the survey Quality assurance measures were implemented at each step of the data collection and processing cycle to monitor the quality of the data These measures included 1 the use of protocols that have been validated in previous studies of school based data collection around yo
77. than one response Note to SPSS Users In the SPSS version of this file 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 18 for these questions option 99 Not Stated was NOT coded as a missing value because it is an equivalent of No and it will be included in estimates produced using these variables These cases can be changed by the user in the Missing column in the SPSS Variable View of the dataset e GETHNCAI GETHNCBI GETHNCCI GETHNCDI GETHNCEI GETHNCFI How would you describe yourself e SLAST7A3 Think back over the last 7 days Find yesterday on the wheel and fill in the number of whole cigarettes you smoked Then follow the wheel backwards and fill in the number of whole cigarettes you smoked on each of the last 7 days e SBRNDYAI SBRNDYBI SBRNDYCI SBRNDYDI SBRNDYEI SBRNDYF2 SBRNDYGI SBRNDYHI SBRNDYII SBRNDYK1 SBRNDSKI SBRNDMLI SBRNDYL I Why do you smoke the brand of cigarettes that you do e SEVTRYAI SEVTRYB7 SEVTRYC2 SEVTRYKI SEVTRYCS SEVTRYLI SEVTRYG3 SEVTRYHS5 SEVTRYN3 SEVTRYJ1 Have you ever tried any of the following e SEVTRYA2 SEVTRYB8 SEVTRYB9 SEVTRYK2 SEVTRYC6 SEVTRYL2 SEVTRYG4 SEVTRYH6 SEVTRYN2 SEVTRYJ2 In the last 30 days did you use any of the following e S30DFLAI S30DFLB2 S30DFLCI S30DFLF2 S30DFLGI In the last 30 days did you use any of the following flavoured tobacco products e SHELTHAI SHELTHBI SHELTHCI SHELTH
78. tia and Newfoundland and Labrador Across YSS cycles more school boards have required Active Parental Permission for student participation This significantly reduces student participation rates especially in secondary schools The results of this project were designed to inform protocols for future implementations of the YSS in order to optimize student participation rates in schools requiring active permission protocols A total of 15 of the 28 targeted schools participated in the project Since we could not recruit the optimum number of schools needed to have confidence in results i e at least 7 per group we must interpret the results with caution A summary of the results for this project can be found on the project website at www yss uwaterloo reports This project was funded by Propel Project Name New Brunswick Student Wellness Survey Province s New Brunswick Primary Contact Michelina Mancuso New Brunswick Health Council michelina mancuso Q nbhc ca Description The YSS was implemented alongside the New Brunswick Student Wellness Survey NBSWS a project with the backing of the NB Department of Wellness Culture and Sport and the Department of Education English and Francophone Sectors The NBSWS is a key project of the Wellness Strategy for the New Brunswick Government All schools in the province of New Brunswick were approached to participate in the NBSWS and the YSS accompanied the survey in the majority of schools Th
79. tic of interest for the numerator X b summing the final weights of records having the characteristic of interest for the denominator Y then C dividing estimate a by estimate b X Y Tabulation of Quantitative Estimates Estimates of totals can be obtained from the YSS Public Use Microdata file by multiplying the value of the variable of interest by the final weight for each record then summing this quantity over all records of interest For example to obtain an estimate of the total number of whole cigarettes smoked in the past 7 days prior to the survey by students in grade 9 secondary III in Quebec multiply the value reported in the derived variable DVCIGWK number of whole cigarettes smoked in the past 7 days prior to the survey by the final weight for the record then sum this value over all records with DVCIGWK lt 996 9 4 Use of Weights for Producing Simple Estimates The 2012 2013 YSS is based upon a complex sampling design with stratification single stage of selection and unequal probabilities of selection of respondents The calculation of more precise variance estimates requires detailed knowledge of the design of the survey Such details cannot be given in this Public Use Microdata file since confidentiality must be respected However variances that take account for the sample design can be calculated from the bootstrap weights which are provided as a separate data file Health Canada employed STATA for
80. ticipating students by board and by grade to the number of eligible students by board and by grade Within each recruited board where we have at least one school participating we computed the response rate for the students by board and by grade Some schools were merged with neighbouring schools for the calculation of this part of the weight This was only done if they were the only participating school within a board but not for all such cases only where large weights occurred _ nj 8 SN g 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 38 where n g is the number of students who completed a survey in grade g in board j N g is the total number of students in grade g in board j Then Wis 1 Tt Stage 3 Un Calibrated Final Weight The final un calibrated weight is based on the product of 7 and Wj W3 je T wi Wo ig Stage 4 Calibration of Survey Weights The weights described above were then calibrated using school administrative datasets that include the total student enrolment by grade grades 6 through 12 for each province gathered from the site coordinators and the sampling frame and the previous survey cycle s data Province grade and gender calibration were used to adjust the sampling weights so that estimated numbers of students in these domains reproduce known population numbers exactly Final weight variable was defined as WTPP in the YSS Public Use Microdata file Stage 5 Construc
81. ting Schools by School Strata and Province 2012 2013 VSS tcc ats eet LER GET t V ERR lee eli eee oe ee 7 Table 3 Sampling Outcomes by Province 2012 2013 YSS cccsccessscesseceessecesseecseeeesseeecsseceeeees 8 Table 4 Questionnaire Module Distribution within Classes by Province 2012 2013 YSS 12 Table 5 Board Participation Outcomes by Province 2012 2013 YSS sseeeeeeenee 15 Table 6 School Participation Outcomes by Province 2012 2013 YSS cccccessecssseeesecesseeeeseee 16 Table 7 Participating Students by Province and Grade 2012 2013 YSS ssseeese 16 Table 8 Skip Patterns in Public Use Microdata File 2012 2013 YSS ssesee 29 Table 9 Data Cleaning Applied to Response Inconsistencies 2012 2013 YSS 35 Table 10 Student Level Response Rates by Province 2012 2013 YSS sseseeeeeneees 42 Table 11 Quality Level Guidelines for Weighted Estimates c cccceescecesssneceeseeeeesseeeeeeeenaees 47 List of Appendices APPENDIX A 2012 2013 Youth Smoking Survey Collaborative Projects APPENDIX B 2012 2013 Youth Smoking Survey Student Questionnaires Module A amp B APPENDIX C Youth Smoking Survey Questions across Cycles iii 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 1 0 Introduction The 2012 2013 Youth Smoking Survey YSS is a Health Canada sponsored pan Canadian classroom based survey of a representati
82. tion of Bootstrap Weights Statisticians use bootstrap methods to estimate sampling error The bootstrap weights for each province were constructed separately as follows 1 Within each stratum health region smoking rate stratum crossed with grade level stratum the same number of schools were selected from the sample by simple random sampling SRS with replacement as was selected in the original sample design 2 Then within each re sampled school all eligible students who had consent to participate were selected 3 The weights for re selected units were recalculated and adjusted for the re sampling inference based on the method of Rao and Wu 1988 s 4 Finally the new weights were recalibrated to the provincial enrolment figures using the administrative datasets Rao J N K amp Wu C F J 1988 Resampling inference with complex survey data Journal of the American Statistical Association 83 231 241 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 39 Six thousand 6 000 such bootstrap samples were computed The average of sets of twelve bootstrap weights were used to create a set of 500 averaged bootstrap weights The formula for the weight adjustment is obtained as follows Let w be the smoothed calibrated main weight for student j in school i n Let 4 2 where N is the number of schools in a given stratum and n is i n l the number of schools actually selected in that stratum
83. ts in the eligible grades grades 6 12 were eligible for participation See Section 5 2 for details regarding questionnaire distribution by province 5 0 Questionnaire Development The final 2012 2013 YSS questionnaires see Appendix B were developed through a series of meetings and pilot testing sessions The following details the measures taken to finalize the questionnaire A list of questions included in the YSS over time can also be found in Appendix C 5 1 Questionnaire Design Several key considerations guided the design of the 2012 2013 YSS student questionnaire e Comparability the basis of the questionnaire was past versions of the YSS questionnaire 2002 2004 2005 2006 2007 2008 2009 and 2010 2011 with most items unchanged to allow for comparisons across cycles e Responsiveness to meet the needs of users of the data provincial collaborators and those responsible for federal and provincial tobacco strategies were given an opportunity to contribute topics items for consideration at content meetings e Relevancy to ensure value added for participating schools items and content areas e g physical activity and bullying were added in order to enhance the relevancy of reported results in the school specific results profiles and summaries to school e Feasibility to meet the criterion of students being able to complete the questionnaire in one class period 30 minutes questionnaire length was restricted An expert
84. ually get your cigarettes I do not smoke I buy them myself at a store I buy them from a friend I buy them from someone else I ask someone to buy them for me etc PO mo Quantitative Estimates Quantitative estimates are estimates of totals or of means medians and other measures of central tendency of quantities based upon some or all of the members of the surveyed population They also specifically involve estimates of the form X Y where X isan estimate of surveyed population quantity total and Y is an estimate of the number of persons in the surveyed population contributing to that total quantity The only example of a quantitative estimate in the 2012 2013 YSS is the number of whole cigarettes smoked on each of the last 7 days If users want to estimate the average 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 44 number of whole cigarettes smoked on the days the respondent smoked then the numerator is the total number of whole cigarettes smoked in the last 7 days and the denominator would be the number of days whole cigarettes were smoked in the last 7 days Tabulation of Categorical Estimates Estimates of the number of people with a certain characteristic can be obtained from the microdata file by summing the final weights of all records possessing the characteristic s A A of interest Proportions and ratios of the form X Y are obtained by a summing the final weights of records having the characteris
85. uth smoking 2 detailed instructions for 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 42 teachers and participating students 3 extensive training of project staff with respect to the survey procedures 4 procedures to ensure that data capture errors were minimized and 5 coding and editing quality checks to verify the processing logic 9 0 Guidelines for Tabulation Analysis and Release Please note that this section is adapted from the 2002 YSS User Guide written by Statistics Canada It details guidelines for users when tabulating analyzing and publishing or otherwise releasing any data derived from the survey data files With the aid of these guidelines users of the YSS Public Use Microdata file should be able to produce the same figures as those produced by any statistician and at the same time will be able to develop currently unpublished figures in a manner consistent with these established guidelines 9 1 Rounding Guide Users are urged to adhere to the following guidelines regarding the rounding of such estimates 1 Estimates in the main body of a statistical table are to be rounded to the nearest hundred units using the normal rounding technique In normal rounding if the first or only digit to be dropped is 0 to 4 the last digit to be retained is not changed If the first or only digit to be dropped is 5 to 9 the last digit to be retained is raised by one For example in normal rounding to the nearest 100
86. ve sample of students in grades 6 through 12 Since 2004 the YSS has been coordinated centrally by the Propel Centre for Population Health Impact Propel at the University of Waterloo under the leadership of Dr Steve Manske YSS principal investigator Drs Steve Brown and Rashid Ahmed at the University of Waterloo act as YSS statisticians and co investigators Propel was also involved in the writing of the 2002 YSS Technical Report The 2012 2013 YSS was implemented in schools between November 2012 and June 2013 by provincial teams located in the participating provinces under the leadership of the following YSS consortium members and co investigators Dr Antony Card Memorial University of Newfoundland Grenfell Campus Dr Donna Murnaghan University of Prince Edward Island Dr Mark Asbridge Dalhousie University Dr Marlien McKay New Brunswick Health Council Dr Jennifer O Loughlin Centre de Recherche du CHUM Universit de Montr al Dr Nazeem Muhajarine University of Saskatchewan Dr Cam Wild University of Alberta Dr Marjorie MacDonald University of Victoria This manual has been produced to facilitate the manipulation and use of the 2012 2013 YSS Public Use Microdata File 2 0 Background The biennial YSS is a classroom based survey of a representative sample of schools in the ten Canadian provinces The 2012 2013 cycle of the YSS did not include the province of Manitoba When first administered in 1994 the YSS was the lar
87. ven a value of 99 Not Stated for all drug and alcohol use questions specific only to Module B Core Smoking Questions Missing values are imputed for the core smoking questions so that every record has a response This includes SPUFFOAI Have you ever tried cigarette smoking even just a few puffs SWHOLEA1 Have you ever smoked a whole cigarette SHUNDOAI Have you ever smoked 100 or more whole cigarettes in your life SLAST7A1 Have you ever smoked every day for at least 7 days in row and SLST30A1 On how many of the last 30 days did you smoke one or more cigarettes Imputations for each core question are based on the other core questions and other smoking variables in the questionnaire Inconsistencies In order to be consistent with the 2002 YSS dataset released by Statistics Canada the responses as recorded by the students are provided However note that in certain cases responses to one question may contradict a response to a previous question In conducting analyses of these variables it is recommended that the observations with inconsistent responses be taken into consideration For example a student may have responded in one question having smoked in the last 7 days and in another question the same student may have responded I have not smoked in the last 30 days Limitations of Pipe Tobacco Results Data on pipe tobacco refer to the use of a traditional pipe to smoke tobacco Pilot testing of the Canadian
88. y expressed interest in participating in market research were approached via online panel or phone database procedures To supplement the panel and database recruitment Opinion Search also obtained referrals from teachers in the focus group areas and conducted general population calling For the last few hard to recruit respondents Opinion Search enlisted the services of outside suppliers Recruiters used a University of Waterloo 2010 May Youth Smoking Survey YSS 2010 2011 YSS English and French Pilot Tests Report Waterloo Propel Centre for Population Health Impact 1 47 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 10 standard script provided to them by YSS Propel staff This method of recruitment has been used for all YSS pilot testing sessions since 2008 The sample for the English Pilot test was drawn from the city of Toronto Ontario Participants were clustered into five separate focus groups one focus group for grade 6 two focus groups for grades 7 8 and two focus groups for grades 9 12 Attempts were made to recruit twelve participants per group anticipating that eight to ten participants would attend on the day of pilot testing A trained YSS Propel staff person facilitated the pilot testing session in Toronto The sample for the French Pilot test was drawn from the city of Montreal Quebec Participants were clustered into three separate focus groups one for primary 6 grade 6 one for secondary I and II
89. ystem Prince Edward Island e Active Permission Protocol Project Ontario Alberta Newfoundland amp Labrador Nova Scotia e New Brunswick Student Wellness Survey in New Brunswick New Brunswick e Youth Gambling Insert Newfoundland and Labrador Ontario Saskatchewan e Canadian Cancer Society Quebec Questionnaire Quebec and e The Alberta Supplement Project Alberta The following is a description of these projects and a brief summary of the results Project Name Healthy School Planner Province s All 9 participating 2012 2013 YSS provinces Primary Contact Dr Steve Manske Propel Centre for Population Health Impact University of Waterloo manske uwaterloo ca Description The Healthy School Planner HSP was led by Dr Steve Manske There are two purposes for this collaboration First the data from the Healthy School Planner HSP provides school teams with a school level assessment that they can use to better understand the student level data within their School Health Profile In this way it is intended to facilitate school recruitment Second as a valid and reliable tool it helps the research community understand the context for the YSS student data The evolving HSP has accompanied the YSS since 2008 HSP assesses indicators aligned with the four pillars of the Comprehensive School Health quality teaching and learning physical and social environments healthy school policies and community partnerships and
90. ze of less than 30 or very high coefficients of variation in excess of 33 3 It is not recommended to release estimates of unacceptable quality Such estimates should be replaced with the letter U or some similar identifier and the following statement Unreleasable due to low sample size 2012 2013 YSS Microdata User Guide Version 5 2013 12 31 47 Appendices Appendix A 2012 2013 Youth Smoking Survey Collaborative Projects The 2012 2013 YSS was implemented alongside seven collaborating projects across the country We engaged in the collaborative projects for three primary reasons First collaborative projects often facilitated access to schools since they are conducted in partnership with Ministries of Education e g SHAPES PEI or engage other provincial stakeholders Second collaborative projects added value to the YSS such as funding a more robust sample or adding additional data Finally collaborative projects added value to future iterations of the YSS For instance the Active Permission Protocol project tested the value of different strategies to recruit participants In each case schools have a choice of participating in the collaborative project or not We ensure that student and school burden are not excessive by restricting the collaborative project reach In the 2012 2013 YSS collaborative or affiliated projects included the e Healthy School Planner all provinces e School Health Action Planning and Evaluation S

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